Sound-reproducing device for talking-machines.



APPLICATION FILED MAR.2, 1910.

Patented Sept. 27, 1910.

wuwwoz outrun STATES PATENT OFFICE.

LUMEN GRIFFITH, OIIE HUDSON, MICHIGAN.

- SOUNP-REPRODUCING DEVICE TALKING-MACHINES.

To all whom it may concern:

lie it known that I, LUMEN GRIFFITH, a citizen of the United States, residing at Hudson, in the county of Lenawee and State of lilichigan, have invented new and useful Improvements in Sound-Reproducing. Devices for Talking-Machines, of which the following is a specification.

' possible.

This invention relates to a sound reproducing device for talking machines and has for its principal object to provide a novel supportlng means for the record needle or stylus and to so operatively connect such needle with the diaphragm. of the sound box that a superior reproduction of sounds is 'Another object of the invention is toprovide an extremely simple, practical andtnres of construction and arrangement of parts which will be more fully described hereinafter and set forth with particularity in the claims appended hereto.

In the accompanying drawing, which illustrates one embodiment of the invention; Figure 1 is a plan view of the sound repro; ducing device. Fig. 2 is a side view thereof; and Fig. 3 is a sectionon line 3-3, Fig. l.

Similar reference characters are employed to designate corresponding parts throughout the several views.

Referring to the drawing, 1 designates the sound box i which is supported the usual diaphragm 2 and attached to thebox at the diapl'iragi'n side ther'of is a support ing spider or frame 3 which has aim-b4 in which is loosely disposed a sleeve coupler or socket piecc 5-.-"The inner end of this coupler 5 receives the diaphragm needle 6, the connection being effected by a set screw 7. .ln the opposite end of the coupler is inserted the stylus or record needle 8, which is re-- movably secured in place by a milled-headed screw 9. The needles 6 and 8 are disposed.

Specification of Letters Patent. Application filed March 2, 1910. Serial No. 546,831.

in alinement and at'right angles to the diaphragm 2,'and the needle 8 will enga e the record. in radial or perpendicular re ation thereto so that the vibration will be communicated to the diaphragm line from the Patented Sept. 2'7, 1910;

record and longitudinally of the needles and coupler.

The coupler is mounted on the spider or frame 3 by means ofa bracket.10 which has openings 11 through which loosely pass screws 12,- the same passing through lugs or ears 13 extending-from opposite sides of the coupler, and on the screws are stifi' sprin 14 that are held between the bracket 10 and the heads 15 of the screws and their tension can be adjusted by turningthe. screws. The

coupler is spaced-from thebracket by means of spaced projections 16 which engage the opposed'face of the bracket and by mounting the coupler in this manner, it can move longitudina tions from the records to the diaphragm.

y in communicating .the vibra- From the foregoing description, taken in connection with the accompanying drawing, the advantages of the construction and of the method of operation will be' readily apparent .to those skilled in the art to which the invention relates, and While I have described the prineiple of operation of the invention, together with the device which I now consider to be the best embodiment thereof, I desire to have it understood that,

. sired as are within the scope of the. claims.

WVhat I claim as new and desireto secure by Letters Patent is 1.' The combination of a sound box, a 1

phragm-mounted thereon, a spider secured" to the sound box and located at the sideof the diaphragm opposite from the sound box,

said spider having an opening arranged in line with the center of the diaphragm, a member having one end operatively related to the diaphragm, a tubular coupler extending through the; opening of. the spider and spaced from theedges of said opening, one

end of the member extending into the coupler, means for securing the coupler and mei'nber together, a needle secured in the other end of the coupler, a bracket on the spider, members loosely mounted on the bracketand connected the coupler, and springs on the last-mentioned members for yieldingly mounting the coupler.

2. The combination of a sound box, a dia phragm mounted thereon, a spider secured -to the sound 'box and located at the side of the diaphragm opposite from the sound box a 7 said spider having an opening arranged in line with the center of the diaphragm, a'

member having one end operatirely related to the diaphragm, a Luhula r coupler extending through the opening of the spider and spaced from the edges of said opening, one end of the member extending into the coupler, means for se :uring the coupler and member together, a needle secured in the other G. I. 'llnonrsox,

I I I v \V1tnesses: I A. M. VoomnEs. 

